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C�1 lV]� 0�ICC GZl CERTIFICATE OF ANALYSIS <br />„ Analytical Lalborataty <br /> Friday, October 15, 1949 <br /> TO: William Little <br /> Advanced GeoEnvironmental, <br /> 4005 N. Wilson Way <br /> Stockton, Ca. 95205 <br /> s � <br /> Sample Infoi•ination <br /> Sample ID: PB6167-03 Sample Type: Grab <br /> Sample Description: TK2N Project Name: Quick&Save 7200 S. Eldo <br /> i Date/Tirne Sampled: 10/13/99 11:50:00 AM <br /> Sample Matrix: Soil <br /> ANALYTICAL RESULT QA/gC REPORT <br /> ! KK Date LCS Spike MS Spike <br /> TestParaineter• Method DLR Unit Result Analyzed Blank Conc. LCS% Conc. MS% MSD RSD% <br /> TPH-Gasoline EPA 8015M/DHS 1 mg/Kg ND 13-Oct-99 ND 500 112.0% 500 96.0% 98.0% 0.5% <br /> rrv` Methyl t-Butyl Ether(MtBE) EPA8260 5 ug/Kg 3620 13-Oct-99 ND 70 114.3% 70 114.3% 125.7% 2.4% <br /> i Diisopropyl ether(DIPS) EPA8260 5 ug/Kg ND 13-Oct-99 ND 70 107.1% 70 117.1% 125.7% 1.8% <br /> Ethyl-t-butyl ether(ETRE) EPA8260 5 ug/Kg ND 13-Oct-99 ND 70 102.9% 70 107.1% 110.0% 0.7% <br /> Tert-amyl methyl ether(TAME) EPA8260 5 ug/Kg ND 13-Oct-99 ND 70 101.4% 70 110.0% 111.4% 0.3% <br /> t-Butanol(TBA) EPA8260 5 ug/Kg ND - 13-Oct-99 ND 70 102.9% 70 92.9% 100.0% 1.9% <br /> Benzene EPA 8260 5 uglKg ND 13-Oct-99 ND 20 110.0% 20 110.0% 125.0% 3.2% <br /> Toluene EPA 8260 5 ug/Kg ND 13-Oct-99 ND 20 90.0% 20 110.0% 135.0% 5.1% <br /> Ethyl Benzene EPA 8260 5 ug/Kg ND 13-Oct-99 ND 20 100.0% 20 125.0% 140.0% 2.8% <br /> Xylene,Total EPA 8260 5 ug/Kg ND 13-Qct-99 ND 40 105.0% 40 137.5% 135.0% 0.5% <br /> nig/l,=milligrams per Liter=ppirr DI.R-Deleclion Limit for the Purpose of Reporring. RSD-relJresent relative percent different(HPD)Lerween duplicates spike of samples <br /> u1L=micrograms per Liter=ppb raceptional sample matrices or hirer fen eneces pray result in or Duplicate of Snrriple <br /> higher detection limits AIS/MSD-measure of the percent recovery efficiencies within the matrix <br /> C=Composite G=Gi <br /> LCS-measure of the percent recovery of the f_nboralory Cwrr,•ol Spike(I.CS) <br /> R5'SP. FSL- j3 ITTED, <br />€'' # Jonathan Hao V. Le, Laboratory Director <br /> 1.4ironriterrral Protection iigemcy Alerhod Page I of I <br /> rs'Al-5tarrdnrrl Mctlrnd for l ramination` 4 rc .lv l�`�r�I� r t Suite A Stockton, CA 95204 Tel.: (209) 462-0892 Fax: (209) 462-7935 <br />